2 John 1:8 WEB

⁶  This is love, that we should walk according to his commandments. This is the commandment, even as you heard from the beginning, that you should walk in it.

⁷  For many deceivers have gone out into the world, those who don't confess that Jesus Christ came in the flesh. This is the deceiver and the Antichrist.

⁸  Watch yourselves, that we don't lose the things which we have accomplished, but that we receive a full reward.

⁹  Whoever transgresses and doesn't remain in the teaching of Christ, doesn't have God. He who remains in the teaching, the same has both the Father and the Son.

¹⁰  If anyone comes to you, and doesn't bring this teaching, don't receive him into your house, and don't welcome him,